Each oxygen atom in the ClO3- ion already has two electrons the electrons in the Cl-O covalent bond. Because each oxygen atom needs six nonbonding electrons to satisfy its octet, it takes 18 nonbonding electrons to satisfy the three oxygen atoms.
The formula of Zinc Chloride is ZnCl2. It is an acidic salt. It is formed by the neutralization reaction of Zinc Hydroxide with Hydrochloric acid. It turns blue litmus paper into red which proves that it is acidic in nature.
Do you need to know from solid to liquid,liquid to gas or gas to liquid?
During a scientific study a hypotheses is generally modified or discarded
so for first blank the answer is hypotheses
Now in case of phlogiston theory it was assumed that when a substance catches fire it evolve certain substances known as phlogiston which was later on discarded as there is no such particle. Infact a substane undergoing oxidation may gain weight
Hence in second blank the answer is new evidence didn’t support it,
Answer:
well its D Mg + 2HCl ----- MgCl2 + H2
Explanation:
Because Magnesium Replaces Hydrogen